A lens focuses light onto the sensor of a digital camera and is critical to photography. To help you make an informed choice when buying or mounting an optic, we explain some of the most important ...

Perspective in an image is all about the relationships between objects in the scene; specifically their relative sizes and positions … Perspective in an image is all about the relationships between ...

When looking for the best focal lengths for portrait photography, most users are introduced to lenses of 35mm, 50mm, and 85mm focal lengths. It is difficult to declare a true winner between the three, ...

How to select the best focal length; Why wide-angle lenses?; Zoom or Prime?; Telephoto lenses; Focal length analysis; All the information you need to select the right lens for landscapes. A focal ...

Hello and welcome to my first beginners guide of 2012. I hope you all had a Cool Yule involving loads of new cameras and lenses and a happy New Year. If you did get a new lens for Christmas or just ...

The Sigma 17-40mm f/1.8 DC is a majorly impressive zoom lens, and fills a huge gap especially for the Canon RF-mount ...

Brightin Star 60mm f/2.8 manual focus 2x macro lens launches this week in multiple mirrorless mounts ...

Back in the days of yesteryear, when I bought my first single-len reflex, cameras came with single-focal-length lenses. Usually you started out with a lens of about 50 millimeters, because that was ...

Why is 'depth of field' or 'depth of focus' greater with a smaller aperture on a camera or when the iris in your eye is closed down to a smaller pupil size? Ever since people first noticed that you ...